barium bis[5-chloro-4-ethyl-2-[(2-hydroxy-1-naphthyl)azo]benzenesulphonate];PO46 ETHYL RED LAKE C;Benzenesulfonic acid, 5-chloro-4-ethyl-2-(2-hydroxy-1-naphthalenyl)azo-, barium salt (2:1);C.I.PIGMENTORANGE45;5-chloro-4-ethyl-2-[(2-hydroxy-1-naphthalenyl